   
    .fasten{
        width: 36px;
        height: 100vh;
        background-color: #262626;
        position: fixed;
        right: 0;
        top: 0;
        z-index: 1000;
    }
    .fasten ul li{
        margin-top: 10px;
        width: 36px;
        padding: 0;
        float: left;
        position: relative;
    }
    .fasten-top{
        width: 36px;
        text-align: center;
        height: 63vh;
        color: white;
        margin-top: 25vh;
        background-color: #262626;
    }
    .fasten-message{
        width: 200px;
        height: 250px;
        position: absolute;
        box-shadow: 0 0 1px black;
        background-color: white;
        right: -200px;  
        top: 0px; 
        z-index: -1;
        transition: all 0.2s linear;
    }
    .fasten-message-top{
        width: 200px;
        height: 80px;
        margin-top: 20px;
    }
    .fasten-message p{
        font-size: 12px;
    }
    .fasten-message a{
        color: #f10180;
    }
    .fasten-message-middle{
        width: 200px;
        height: 100px;
        background-color: #dcdcdc;
    }
    .fasten-message-middle div:hover p{
        color: #f10180;
    }
    .fasten-message-middle div{
        width: 99px;
        height: 98px;
        border-right: 1px solid gray;
        float: left;
    }
    .fasten-message2{
        width: 150px;
        height: 36px;
        position: absolute;
        box-shadow: 0 0 1px black;
        background-color: white;
        right: -115px; 
        top: 0px;
        z-index: -1;
        transition: all 0.2s linear;
    }
    .fasten ul li div a:hover{
        color: #f10180;
    }
    .fasten-foot{
        width: 36px;
        text-align: center;
        height: 10vh;
        color: white;
        background-color: #262626;
    }
    .fasten ul li:hover div{
        right: 36px;
    }
    .icon11{
        display: inline-block;
        width: 36px;
        height: 36px;
        background-image: url('../img/header.png'); 
        background-position: 0  -183px;
    }
    .icon12{
        display: inline-block;
        width: 28px;
        height: 36px;
        background-image: url('../img/22.png');   
    }
    .r10{
        background-position: -198px -81px; 
    }
    .r11{
        background-position: -198px -81px;
    }